MESS SVN History

15994 Revisions

r8014 Tuesday 11th May, 2010 at 20:35:25 UTC by Angelo Salese
Placeholder for the Zilog Z8001 CPU core

[src/emu/cpu/z8000]	z8000.c z8000.h
[src/mess/drivers]	m20.c p8k.c

src/emu/cpu/z8000/z8000.c
r8013	r8014
367	367	cpustate->program = device->space(AS_PROGRAM);
368	368	cpustate->io = device->space(AS_IO);
369	369	cpustate->fcw = RDMEM_W(cpustate, 2); /* get reset cpustate->fcw */
370		cpustate->pc = RDMEM_W(cpustate, 4); /* get reset cpustate->pc */
	370	if(cpustate->fcw & F_SEG)
	371	{
	372	//cpustate->seg_pc = RDMEM_W(cpustate, 4);
	373	cpustate->pc = RDMEM_W(cpustate, 6);
	374	}
	375	else
	376	{
	377	cpustate->pc = RDMEM_W(cpustate, 4); /* get reset cpustate->pc */
	378	}
371	379	}
372	380
373	381	static CPU_EXIT( z8000 )
r8013	r8014
468	476	* Generic set_info
469	477	**************************************************************************/
470	478
471		static CPU_SET_INFO( z8000 )
	479	static CPU_SET_INFO( z8002 )
472	480	{
473	481	z8000_state *cpustate = get_safe_token(device);
474	482
r8013	r8014
514	522	* Generic get_info
515	523	**************************************************************************/
516	524
517		CPU_GET_INFO( z8000 )
	525	CPU_GET_INFO( z8002 )
518	526	{
519	527	z8000_state *cpustate = (device != NULL && device->token != NULL) ? get_safe_token(device) : NULL;
520	528
r8013	r8014
576	584	case CPUINFO_INT_REGISTER + Z8000_R15: info->i = cpustate->RW(15); break;
577	585
578	586	/* --- the following bits of info are returned as pointers to data or functions --- */
579		case CPUINFO_FCT_SET_INFO: info->setinfo = CPU_SET_INFO_NAME(z8000); break;
	587	case CPUINFO_FCT_SET_INFO: info->setinfo = CPU_SET_INFO_NAME(z8002); break;
580	588	case CPUINFO_FCT_INIT: info->init = CPU_INIT_NAME(z8000); break;
581	589	case CPUINFO_FCT_RESET: info->reset = CPU_RESET_NAME(z8000); break;
582	590	case CPUINFO_FCT_EXIT: info->exit = CPU_EXIT_NAME(z8000); break;
r8013	r8014
638	646	case CPUINFO_STR_REGISTER + Z8000_R15: sprintf(info->s, "R15:%04X", cpustate->RW(15)); break;
639	647	}
640	648	}
	649
	650	/*
	651	handling for the z8001
	652	*/
	653
	654	CPU_GET_INFO( z8001 )
	655	{
	656	switch (state)
	657	{
	658	/* --- the following bits of info are returned as pointers to data or functions --- */
	659
	660	/* --- the following bits of info are returned as NULL-terminated strings --- */
	661	case DEVINFO_STR_NAME: strcpy(info->s, "Zilog Z8001"); break;
	662
	663	default: CPU_GET_INFO_CALL(z8002); break;
	664	}
	665	}

src/emu/cpu/z8000/z8000.h
r8013	r8014
24	24	#define Z8000_HALT 0x0100 /* halted flag */
25	25
26	26	/* PUBLIC FUNCTIONS */
27		extern CPU_GET_INFO( z8000 );
28		#define CPU_Z8000 CPU_GET_INFO_NAME( z8000 )
	27	extern CPU_GET_INFO( z8001 );
	28	#define CPU_Z8001 CPU_GET_INFO_NAME( z8001 )
	29	extern CPU_GET_INFO( z8002 );
	30	#define CPU_Z8002 CPU_GET_INFO_NAME( z8002 )
29	31
30	32	CPU_DISASSEMBLE( z8000 );
31	33

src/mess/drivers/m20.c
r8013	r8014
98	98
99	99	static MACHINE_DRIVER_START( m20 )
100	100	/* basic machine hardware */
101		MDRV_CPU_ADD("maincpu", Z8000, MAIN_CLOCK)
	101	MDRV_CPU_ADD("maincpu", Z8001, MAIN_CLOCK)
102	102	MDRV_CPU_PROGRAM_MAP(m20_mem)
103	103	MDRV_CPU_IO_MAP(m20_io)
104	104

src/mess/drivers/p8k.c
r8013	r8014
537	537
538	538	static MACHINE_DRIVER_START( p8k_16 )
539	539	/* basic machine hardware */
540		MDRV_CPU_ADD("maincpu", Z8000, XTAL_4MHz ) // actually z8001, appropriate changes pending
	540	MDRV_CPU_ADD("maincpu", Z8001, XTAL_4MHz ) // actually z8001, appropriate changes pending
541	541	MDRV_CPU_CONFIG(p8k_16_daisy_chain)
542	542	MDRV_CPU_PROGRAM_MAP(p8k_16_memmap)
543	543	// MDRV_CPU_IO_MAP(p8k_16_iomap)

15994 Revisions